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lfpyxl
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樓主  發(fā)表于: 2012-10-03 10:15
一臺55KW的變頻器用在工地電梯上，主電源有三級漏電開(kāi)關(guān)，最后一級漏電斷路器是30MA，其實(shí)變頻器的漏電電流比較大的，但工地上為了人員安全,拒絕對主電源進(jìn)行改動(dòng)。造成現在主電源頻繁跳閘，請各位支支招，謝謝！

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